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Snow Leopard: USB Mass Storage Not Recognized


tsj5j
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I just installed OSX Snow Leopard on my C2D laptop.

I used [url="http://www.insanelymac.com/forum/topic/279450-why-insanelymac-does-not-support-tonymacx86/"]#####[/url] along with [url="http://www.insanelymac.com/forum/topic/279450-why-insanelymac-does-not-support-tonymacx86/"]#####[/url], and I restored the 10.6.2 IOUSBFamily as advised by the guide.

 

Everything's fine, except for USB Mass Storage devices.

USB itself is fine: I have a wireless mouse working that functions via a USB receiver - that's detected fine.

However, mass storage devices (tried 2 flash drives and a portable hard disk) all fail to be detected.

 

Anyone has any idea?

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After tons of searching, I finally found someone with a similar issue:

http://osx86.net/f84/usb-not-working-in-va...a-10-6-2-t5110/

 

Apparently, the IRQs are in conflict, and can be resolved by removing AppleHPET.kext.

According to a reply in the thread,

 

The best solution that I've found thus far is to remove the IRQ entries from your HPET, RTC, TMR and PIC devices in your DSDT and apply the DSDT USB patch found here:

 

http://www.projectosx.com/forum/index.php?showtopic=461

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